ASN AS27281 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS27281?

AS27281 is listed under Quantcast Corporation.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS27281 Quantcast Corporation

ASN Lookup Tool

Quantcast Corporation quantcast.com

US 12 Routes

AS Data

AS27281

AS27281 – Quantcast Corporation

AS Number	27281
AS Name	QUANTCAST
Organization	Quantcast Corporation (quant-103)
Country	US
Website	quantcast.com
Number of IPv4 Routes	5
Number of IPv6 Routes	7
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2007-11-27

ASN Intelligence API for production workflows

Use ASN data for AS27281 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2620:116:801b::/48	AS27281	Quantcast Corporation	Quantcast Corporation	~1×10²⁴
103.229.11.0/24	AS27281	Quantcast Corporation	Quantcast Corporation	256
192.184.75.0/24	AS27281	Quantcast Corporation	Quantcast Corporation	256
2620:116:8082::/48	AS27281	Quantcast Corporation	Quantcast Corporation	~1×10²⁴
2620:116:801c::/48	AS27281	Quantcast Corporation	Quantcast Corporation	~1×10²⁴
192.184.74.0/24	AS27281	Quantcast Corporation	Quantcast Corporation	256
2620:116:801a::/48	AS27281	Quantcast Corporation	Quantcast Corporation	~1×10²⁴
192.184.76.0/24	AS27281	Quantcast Corporation	Quantcast Corporation	256
192.184.77.0/24	AS27281	Quantcast Corporation	Quantcast Corporation	256
2620:116:801e::/48	AS27281	Quantcast Corporation	Quantcast Corporation	~1×10²⁴

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       27281
ASName:         QUANTCAST
ASHandle:       AS27281
RegDate:        2007-11-27
Updated:        2012-04-02
Comment:        DATAC22-ARIN
Ref:            https://rdap.arin.net/registry/autnum/27281


OrgName:        Quantcast Corporation
OrgId:          QUANT-103
Address:        795 Folsom Street
Address:        5th Floor
City:           San Francisco
StateProv:      CA
PostalCode:     94107
Country:        US
RegDate:        2007-11-16
Updated:        2017-02-01
Ref:            https://rdap.arin.net/registry/entity/QUANT-103


OrgNOCHandle: DATAC22-ARIN
OrgNOCName:   Datacenter Operations
OrgNOCPhone:  +1-415-777-5682 
OrgNOCEmail:  datacenter-ops@quantcast.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/DATAC22-ARIN

OrgTechHandle: DATAC22-ARIN
OrgTechName:   Datacenter Operations
OrgTechPhone:  +1-415-777-5682 
OrgTechEmail:  datacenter-ops@quantcast.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DATAC22-ARIN

OrgAbuseHandle: DATAC22-ARIN
OrgAbuseName:   Datacenter Operations
OrgAbusePhone:  +1-415-777-5682 
OrgAbuseEmail:  datacenter-ops@quantcast.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DATAC22-ARIN

RNOCHandle: DATAC22-ARIN
RNOCName:   Datacenter Operations
RNOCPhone:  +1-415-777-5682 
RNOCEmail:  datacenter-ops@quantcast.com
RNOCRef:    https://rdap.arin.net/registry/entity/DATAC22-ARIN

RTechHandle: DATAC22-ARIN
RTechName:   Datacenter Operations
RTechPhone:  +1-415-777-5682 
RTechEmail:  datacenter-ops@quantcast.com
RTechRef:    https://rdap.arin.net/registry/entity/DATAC22-ARIN

RAbuseHandle: DATAC22-ARIN
RAbuseName:   Datacenter Operations
RAbusePhone:  +1-415-777-5682 
RAbuseEmail:  datacenter-ops@quantcast.com
RAbuseRef:    https://rdap.arin.net/registry/entity/DATAC22-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "27281",
    "as_handle" : "AS27281",
    "as_name" : "QUANTCAST",
    "tech_contacts" : [ "DATAC22-ARIN", "DATAC22-ARIN" ],
    "abuse_contacts" : [ "DATAC22-ARIN", "DATAC22-ARIN" ],
    "date_created" : "2007-11-27",
    "date_updated" : "2012-04-02",
    "source" : "https://rdap.arin.net/registry/autnum/27281"
  } ],
  "organization" : {
    "handle" : "QUANT-103",
    "name" : "Quantcast Corporation",
    "address" : [ "795 Folsom Street", "5th Floor", "San Francisco", "CA", "94107", "US" ],
    "street" : "Folsom Street",
    "city" : "San Francisco",
    "state" : "CA",
    "zip_code" : "94107",
    "country" : [ "US" ],
    "date_created" : "2007-11-16",
    "date_updated" : "2017-02-01",
    "source" : "https://rdap.arin.net/registry/entity/QUANT-103",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "DATAC22-ARIN",
    "name" : "Datacenter Operations",
    "email" : [ "datacenter-ops@quantcast.com" ],
    "phone" : [ "+1-415-777-5682" ],
    "source" : "https://rdap.arin.net/registry/entity/DATAC22-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "DATAC22-ARIN",
    "name" : "Datacenter Operations",
    "email" : [ "datacenter-ops@quantcast.com" ],
    "phone" : [ "+1-415-777-5682" ],
    "source" : "https://rdap.arin.net/registry/entity/DATAC22-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS58057	Securebit AG	CH
AS25220	equada network GmbH	DE
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS39249	Netassist International EOOD	BG
AS393577	Tritan Development	US
AS401703	Ordinal Advisors LLC	US
AS3737	PenTeleData Inc.	US
AS38880	Micron21 Datacentre Pty Ltd	AU
AS31133	PJSC MegaFon	RU
AS14537	Continent 8 LLC	US

Upstreams

AS Number	Description	Country
AS7195	EDGEUNO S.A.S	CO
AS39249	Netassist International EOOD	BG
AS39351	31173 Services AB	SE
AS6939	Hurricane Electric LLC	US
AS6204	ZET.NET IP Transit	RO
AS22356	Durand do Brasil Ltda	BR
AS8966	EMIRATES TELECOMMUNICATIONS GROUP COMPANY ETISALAT GROUP PJSC	AE
AS37468	Angola Cables	AO
AS20764	CJSC RASCOM	RU
AS15802	Emirates Integrated Telecommunications Company PJSC	AE

Legacy Routes

2620:116:800b::/48 103.229.8.0/24 91.228.74.0/24 192.184.70.0/24 103.229.10.0/24 192.184.67.0/24 192.184.69.0/24 2620:116:800c::/48 192.184.72.0/24 91.228.72.0/24 192.184.73.0/24 192.184.71.0/24 2620:116:800d::/48 192.184.68.0/24 103.229.9.0/24